Article 15 (Right of access) of the Data Protection Regulation, in so far as it relates to personal data (within the meaning of that Regulation) processed by the following persons or bodies, is restricted to the extent necessary and proportionate to enable the person or body to effectively perform his, her or its functions under this Act, in so far as those functions relate to the supervision of personal insolvency practitioners in accordance with section 176A or to carrying out an investigation under this Part:
(a) the Insolvency Service,
(b) an inspector appointed under section 176,
(c) an authorised officer appointed under section 176B, or
(d) the Complaints Committee.